Home / 87,430.28-131,276.65-50,032.58

Finding the Fourth Proportional to 87,430.28, 131,276.65 and 50,032.58

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Solution

The fourth proportional to 87,430.28, 131,276.65 and 50,032.58 is: 75,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,430.28 : 131,276.65 = 50,032.58 : x
  2. Step 2: Convert to fraction form
    87,430.28/131,276.65 = 50,032.58/x
  3. Step 3: Cross multiply
    87,430.28x = 131,276.65 × 50,032.58
  4. Step 4: Simplify right side
    87,430.28x = 6,568,109,696.37
  5. Step 5: Solve for x
    x = 6,568,109,696.37/87,430.28
  6. Step 6: Final answer
    x = 75,123.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.